You will need to have these problems diagnosed, they are 2 separate computer systems. Here are 2 sheets that we at RepairPal have constructed to help you with this process.
http://repairpal.com/check-engine-light-diagnosis
The VSC stands for Vehicle Stability Control and is controlled by the ABS computer so here is a sheet t help you with those issues.
http://repairpal.com/abs-system-diagnosis
here are some shop sin your area that you can call for help:
http://repairpal.com/directory?address=21047&car_brand_names=Toyota